Power Supply

Units providing electricity to computer components.

Rankings

  1. 1. RM1000x (RMx Series) Fully Modular Power Supply

    High-capacity 1000W PSU with quiet operation and ATX 3.1 readiness

    The RM1000x is Corsair's flagship 1000W PSU in the RMx family, delivering dependable power with Gold efficiency and a decade-long warranty. Built on a fully modular platform, it offers clean cabling and flexible installation for contemporary builds that may include PCIe 5.0 GPUs. It features a 140mm low-noise fan with Zero RPM mode for near-silent operation at light to moderate loads, helping to keep a gaming rig quiet in idle or low-usage scenarios. The unit uses high-quality Japanese capacitors and a robust transient response to maintain stability under transient spikes common in modern CPUs and GPUs. This model remains a top choice for enthusiasts upgrading to ATX 3.0/3.1 standards while maintaining Corsair’s renowned support and broad regional availability.

    Rated 4.8

  2. 2. RM850x (RMx Series) Fully Modular Power Supply

    850W Gold-rated modular PSU for quiet, efficient builds

    The RM850x is a long-standing favorite in Corsair’s RMx lineup, offering reliable 850W power with 80 Plus Gold efficiency and modular cabling for tidy builds. It features a 140mm fan with a low-noise profile and Zero RPM mode to keep system acoustics minimal at typical gaming or productivity loads. The unit uses premium Japanese capacitors and a sturdy voltage regulation scheme to sustain clean rails during transient spikes from modern CPUs and GPUs. Its 10-year warranty and Corsair support ecosystem make it a dependable choice for mid-to-high-end gaming rigs, workstations, and multi-GPU setups. Availability across regions remains strong, contributing to its reputation as a staple in many global PC builds.

    Rated 4.7

  3. 3. RM750x Fully Modular Power Supply

    750W Gold-rated modular PSU with compact form factor

    The RM750x offers premium 750W performance with 80 Plus Gold efficiency and full modular cabling for flexible builds. It sports a 140mm fan with a dedicated low-noise profile and Zero RPM mode, delivering near-silent operation at light and moderate loads. Like its RMx siblings, it uses high-quality Japanese capacitors and a robust topology to maintain stable output during GPU or CPU spikes. This model is a popular choice for mid-to-high-end gaming rigs and compact builds that still demand robust power delivery and cable management. Its broad availability and trust in Corsair’s warranty program contribute to its enduring appeal among builders worldwide.

    Rated 4.6

  4. 4. ROG Thor 1200P2 Platinum II

    Premium 1200W Platinum II PSU with OLED display and ARGB

    ROG Thor 1200P2 Platinum II represents ASUS’s pinnacle PSU design for enthusiasts chasing both performance and aesthetics. It delivers 1200W of power with 80 Plus Platinum efficiency, supports PCIe Gen 5.0 with a native 16-pin connector, and features ROG heatsinks plus an OLED power display for real-time monitoring. The semi-passive cooling design keeps the fan off under light loads, with a 135mm fan for sustained cooling under heavy use. Sleeved cables, Aura Sync compatibility, and a robust 10-year warranty complete the package. This model is aimed at high-end gaming rigs and creator workstations that demand top-tier power delivery and premium presentation.

    Rated 4.9

  5. 5. MSI MEG Ai1300P PCIE5 1300W Power Supply

    1200+W-class PCIE5 Platinum PSU for extreme builds

    MSI MEG Ai1300P PCIE5 1300W is MSI’s high-end PSU offering built to power extreme gaming rigs and workstations. It is PCIe 5.0/Gen 5 ready with a native 16-pin connector, enabling up to 600W to GPUs, and ATX 3.1 compatibility for robust power handling. The unit employs premium Japanese capacitors and digital control for stable voltage regulation and response under dynamic loads. It is fully modular with sleeved cables and a 10-year MSI warranty. Targeted at enthusiasts pursuing multi-GPU or future-proof configurations, the Ai1300P differentiates itself with MSI ecosystem integration and premium aesthetics.

    Rated 4.7

  6. 6. MSI MPG A1000G PCIE5 1000W Power Supply

    1000W PCIe 5-ready PSU for gaming builds

    MSI MPG A1000G PCIE5 is a 1000W power supply designed for demanding gaming rigs and mid-to-high-end workstation setups. It brings PCIe 5.1 readiness along with ATX 3.0/3.1 compatibility and a fully modular cable set for clean builds. The unit uses quality capacitors and modern protection features to maintain rail stability under heavy GPU loads. Ideal for MSI-ecosystem enthusiasts and builders aiming for PCIe 5.0 GPUs, this PSU emphasizes reliable delivery with a competitive price point.

    Rated 4.6

  7. 7. Vertex GX-1200 ATX 3.0 Gold Power Supply

    ATX 3.0 Gold, fully modular, high-end reliability

    Seasonic Vertex GX-1200 is a flagship ATX 3.0 gold-class PSU built for extreme systems and multi-GPU configurations. It features full modularity, a 135mm fan with Hybrid Silent control, and a robust protection suite. The GX series is known for tight regulation and high-quality Japanese capacitors, delivering stable power across demanding workloads. It’s a preferred choice for enthusiasts who demand precision and long warranty support across gaming rigs and workstation builds, with broad availability in major markets through Seasonic’s partner network.

    Rated 4.7

  8. 8. PRIME PX ATX 3.1 1600W

    1600W Platinum ATX 3.1, specialized for ultra-high-end builds

    Seasonic PRIME PX-1600 ATX 3.1 is Seasonic’s premium high-widelity power supply with Titanium-variant performance in a compact enclosure. It supports PCIe 5.0 with robust 12V rails and dual high-current 600W 12V connectors where applicable, and includes Digital Hybrid Fan Control for quiet operation under variable loads. The PX line emphasizes ultra-tight voltage regulation and a long 12-year warranty, targeting extreme gaming rigs, multi-GPU workstations, and enthusiasts pursuing top-tier efficiency and stability. Availability in North America, Europe, and ROW has matured since release, with MSRP reflecting its premium positioning.

    Rated 4.8

  9. 9. NZXT C1200 Gold ATX 3.1 Power Supply

    1200W Gold ATX 3.1 PSU for PCIe 5.0 builds

    NZXT’s C1200 Gold is a high-capacity, fully modular PSU designed for modern gaming rigs and creator PCs. It supports ATX 3.1 and PCIe 5.1, with dual 12V-2x6 PCIe connectors to support power-hungry GPUs. The C1200 uses a 135mm fan and NZXT’s attention to cable management, sleeved cords, and a clean aesthetic. It’s suitable for high-end single or multi-GPU systems and is backed by NZXT’s warranty structure and support. While premium in price, it remains a strong option for builders who value NZXT’s ecosystem and design language in a top-end power supply.

    Rated 4.5

  10. 10. NZXT C1500 Platinum ATX 3.1 Power Supply

    ATX 3.1, PCIe 5.1 ready 1500W platinum PSU for extreme rigs

    NZXT’s C1500 Platinum is a top-end power supply designed to drive extreme builds with dual 12V-2x6 PCIe 5.1 cables and ATX 3.1 compliance. It delivers up to 1500W continuously, with Platinum efficiency and a semi-passive cooling profile. The unit ships with a premium cable kit and Corsair-style aesthetics that appeal to builders who want both performance and presentation. Regionally distributed by NZXT channels, it supports high-wattage GPUs and multi-GPU configurations for enthusiasts who push for the most headroom in power delivery while preserving a clean case interior.

    Rated 4.6

  11. 11. Fractal Ion+ 860W Platinum

    860W Platinum modular PSU with whisper-quiet cooling

    Fractal Ion+ 860W Platinum is Fractal Design’s high-end modular solution offering 80 Plus Platinum efficiency, precise voltage regulation, and ultra-low noise. It features a semi-passive cooling mode with a dedicated 140 mm fan and UltraFlex cables for flexible routing. The unit uses premium Japanese capacitors and a 10-year warranty, making it a strong option for enthusiasts seeking top-tier efficiency and quiet operation in a compact footprint. Its cable flexibility and solid performance make it a dependable choice for mid-to-high-end builds that prioritize both reliability and quiet environments.

    Rated 4.7

  12. 12. Toughpower GF3 1000W Gold - TT Premium Edition

    ATX 3.0/GF3 Gold, native 12VHPWR with premium components

    Thermaltake Toughpower GF3 1000W Gold is a high-end PSU designed for ATX 3.0 and PCIe 5.0 readiness. It features a modular cable design with a native 12V-2x6 PCIe Gen 5 connector, premium Japanese capacitors, and a 135mm fan with a two-stage cooling approach. This model targets power-hungry gaming rigs and workstations that aim for robust headroom and stable performance under peak loads. GF3 emphasizes low ripple and high power stability, with a modern cable set and TT’s emphasis on quality components for long-term reliability.

    Rated 4.4

  13. 13. Cooler Master MWE Gold 750 V3

    ATX 3.1-ready Gold PSU with solid value

    Cooler Master’s MWE Gold 750 V3 is an affordable, ATX 3.1-ready power supply with full modular cabling and a 12V-2x6 PCIe connector option. It targets mainstream to mid-range builds that still require modern protections and high efficiency. The unit uses a robust topology and a reliable fan setup to balance performance with quiet operation. While not as feature-rich as top-tier premium lines, the MWE Gold 750 V3 remains a popular choice for budget-conscious builders seeking ATX 3.1 compliance and solid overall performance.

    Rated 4.5